1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_MEMORY_MEMMGR_ACCOUNT_OBSERVER_H 17 #define OHOS_MEMORY_MEMMGR_ACCOUNT_OBSERVER_H 18 19 #include "account_subscriber.h" 20 #include "event_handler.h" 21 22 namespace OHOS { 23 namespace Memory { 24 struct AccountCallback { 25 std::function<void(const int &data)> OnOsAccountsChanged; 26 }; 27 28 class AccountObserver { 29 public: 30 AccountObserver(const AccountCallback &callback); 31 ~AccountObserver(); 32 void OnAccountsChanged(const int &id); 33 protected: 34 private: 35 bool GetEventHandler(); 36 void Register(); 37 38 int retryTimes_ = 0; 39 std::shared_ptr<AppExecFwk::EventHandler> handler_; 40 std::shared_ptr<AccountSubscriber> subscriber_; 41 AccountCallback callback_; 42 }; 43 } // namespace Memory 44 } // namespace OHOS 45 #endif // OHOS_MEMORY_MEMMGR_ACCOUNT_OBSERVER_H 46